class student{
    public String name;
    public int age;
    public String id;
    public String adds;
    public int grade;

    student() {
        this("chen",19,"202320164331","ly",100);
    }

    student(String name,int age,String id,String adds,int grade) {
        this.name=name;
        this.age=age;
        this.id=id;
        this.adds=adds;
        this.grade=grade;
    }

    public void print() {
        System.out.println("姓名："+name+"年龄:"+age+"学号:"+id+"家庭住址:"+adds+"成绩:"+grade);
    }
}


public class Main {
    public static void main(String[] args) {
        student stu=new student();
        stu.print();
    }
}